serial-rs 0.2.1

A cross-platform rust serial RS232 library with overlap IO support
Documentation 
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#[cfg(target_os = "macos")]
use std::os::unix::prelude::RawFd;

use nix::{ioctl_none_bad, libc, ioctl_read_bad, ioctl_write_ptr_bad, ioctl_read, ioctl_write_ptr, Result};


ioctl_none_bad!(tiocexcl, libc::TIOCEXCL);
ioctl_none_bad!(tiocnxcl, libc::TIOCNXCL);
ioctl_read_bad!(tiocmget, libc::TIOCMGET, libc::c_int);
ioctl_none_bad!(tiocsbrk, libc::TIOCSBRK);
ioctl_none_bad!(tioccbrk, libc::TIOCCBRK);

#[cfg(target_os = "linux")]
ioctl_read_bad!(fionread, libc::FIONREAD, libc::c_int);

#[cfg(target_os = "macos")]
ioctl_read!(fionread, b'f', 127, libc::c_int);

#[cfg(target_os = "linux")]
ioctl_read_bad!(tiocoutq, libc::TIOCOUTQ, libc::c_int);

#[cfg(target_os = "macos")]
ioctl_read!(tiocoutq, b't', 115, libc::c_int);

ioctl_read_bad!(tiocinq, libc::FIONREAD, libc::c_int);

ioctl_write_ptr_bad!(tiocmbic, libc::TIOCMBIC, libc::c_int);
ioctl_write_ptr_bad!(tiocmbis, libc::TIOCMBIS, libc::c_int);

#[cfg(target_os = "linux")]
ioctl_read!(tcgets2, b'T', 0x2A, libc::termios);

#[cfg(target_os = "linux")]
ioctl_write_ptr!(tcsets2, b'T', 0x2B, libc::termios2);

#[cfg(target_os = "macos")]
const IOSSIOSPEED: libc::c_ulong = 0x80045402;

#[cfg(target_os = "macos")]
ioctl_write_ptr_bad!(iossiospeedraw, IOSSIOSPEED, libc::speed_t);


#[cfg(target_os = "macos")]
pub fn iossiospeed(fd: RawFd, baud_rate: &libc::speed_t) -> Result<()> {
    unsafe { iossiospeedraw(fd, baud_rate) }
        .map(|_| ())
        .map_err(|e| e.into())
}